/**
* netlbl_cache_add - Add an entry to a NetLabel protocol cache
* @skb: the packet
* @secattr: the packet's security attributes
*
* Description:
* Add the LSM security attributes for the given packet to the underlying
* NetLabel protocol's label mapping cache. Returns zero on success, negative
* values on error.
*
*/
int netlbl_cache_add(const struct sk_buff *skb,
const struct netlbl_lsm_secattr *secattr)
{
if ((secattr->flags & NETLBL_SECATTR_CACHE) == 0)
return -ENOMSG;
if (CIPSO_V4_OPTEXIST(skb))
return cipso_v4_cache_add(skb, secattr);
return -ENOMSG;
}
/**
* netlbl_cache_add - Add an entry to a NetLabel protocol cache
* @skb: the packet
* @secattr: the packet's security attributes
*
* Description:
* Add the LSM security attributes for the given packet to the underlying
* NetLabel protocol's label mapping cache. Returns zero on success, negative
* values on error.
*
*/
int netlbl_cache_add(const struct sk_buff *skb,
const struct netlbl_lsm_secattr *secattr)
{
unsigned char *ptr;
if ((secattr->flags & NETLBL_SECATTR_CACHE) == 0)
return -ENOMSG;
ptr = cipso_v4_optptr(skb);
if (ptr)
return cipso_v4_cache_add(ptr, secattr);
return -ENOMSG;
}
/**
* netlbl_cache_add - Add an entry to a NetLabel protocol cache
* @skb: the packet
* @family: the family
* @secattr: the packet's security attributes
*
* Description:
* Add the LSM security attributes for the given packet to the underlying
* NetLabel protocol's label mapping cache. Returns zero on success, negative
* values on error.
*
*/
int netlbl_cache_add(const struct sk_buff *skb, u16 family,
const struct netlbl_lsm_secattr *secattr)
{
unsigned char *ptr;
if ((secattr->flags & NETLBL_SECATTR_CACHE) == 0)
return -ENOMSG;
switch (family) {
case AF_INET:
ptr = cipso_v4_optptr(skb);
if (ptr)
return cipso_v4_cache_add(ptr, secattr);
break;
#if IS_ENABLED(CONFIG_IPV6)
case AF_INET6:
ptr = calipso_optptr(skb);
if (ptr)
return calipso_cache_add(ptr, secattr);
break;
#endif /* IPv6 */
}
return -ENOMSG;
}
